40 Oz.

Recording by D12.

Recording identifiers

ISRC
USIR10400113
CopyrightID (CopyrightChains transaction hash)
0x93a78dd351bd14f8064f7e7009701ad620f987e50a1f328ad7e07c1ddb4e735a
Copyright registration time
2026-06-04T08:35:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1c18301f3a66eb479e2d619e1af45aad3acd2b3ad4e35d07141259e8cd0a2c12

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.